SYSTEMS AND METHODS FOR EXTRACTING SYSTEM PARAMETERS FROM NONLINEAR PERIODIC SIGNALS FROM SENSORS

摘要

Systems and methods are disclosed herein for extracting system parameters from nonlinear periodic signals from sensors. A sensor such as an inertial device includes a first structure and a second structure that is springedly coupled to the first structure. The sensor is configured to generate an output voltage based on a current between the first and second structures. Monotonic motion of the second structure relative to the first structure causes a reversal in direction of the current.

主权项

1. A method of processing a nonlinear periodic signal from an inertial sensor to determine an inertial parameter of the inertial sensor, the method comprising:
receiving a nonlinear periodic input signal from the inertial sensor; converting the nonlinear periodic input signal to a two-valued signal having first and second values; determining first and second transition times between the first and second values; applying a trigonometric function to an argument comprising the first and second transition times to determine a trigonometric result; and extracting an inertial parameter of the inertial sensor from the trigonometric result.